作为新一代最有效的高保真数字音频编码手段，MPEG AAC具有压缩比高，重建音频质量好，编解码过程模块化，声道配置灵活等特点，并且不同的层次具有不同的算法复杂度。-As a new generation of the most effective means of high-fidelity digital audio coding, MPEG AAC with high compression, the reconstruction of good quality audio, codecs,

MP3是MPEG-1标准的音频LayerIIIMP 3是MPEG-1标准的音频Layer- mp3 mp4 AAC

A Fast and Memory Efficient Huffman Decoding Method for the MPEG-4 AAC Standard

FAST IMPLEMENTATION OF THE MPEG-4 AAC MAIN AND LOWCOMPLEXITY DECODER